Building element for building a toy tunnel



FIG. 1 is a perspective view of the top side, the right side and the front side of the building element according to the new design;

FIG. 2 is a perspective view of the top side, the left side and the rear side of the building element; and,

FIG. 3 is a perspective view of the underside, the right side and the rear side of the building element. 

The ornamental design for a building element for building a toy tunnel, as shown and described. 